image_list image_listE

Chlorophyceae: Chlorococcales: Scenedesmaceae

Scenedesmus quadricauda
var. parvus G. M. Smith

Scenedesmus quadricauda Genus: Colonies of 4 (or 2, 8, 16) cells attached side by side, arranged linearly or zigzag; cell body elliptical or spindle or crescent in shape; terminal cells with spiny projections in many species; cell wall usually smooth, but in some species granulated or dented or ridged (Illustrations of The Japanese Fresh-water Algae, 1977).
Species [ var. quadricauda ]: Colonies of 2, 4 or 8 cells arranging linearly; cell body elongated ellipsoidal, 11-18 μm long, 3.5-7 μm wide; terminal cells with long spiny projections (10-17 μm long); cell wall smooth (Illustrations of The Japanese Fresh-water Algae, 1977).


Scenedesmus quadricauda var. parvus G. M. Smith ?, cell body 11 μm long, 3 μm wide, spines 7 μm long, L/W=3.7, S/L=0.64, x 400, x 640, Tatebayashi city, Gunma Pref., Japan, July 2001 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Scenedesmus Scenedesmus


Please click on images for viewing enlarged.
Copyright Protist Information Server